Pakistan has 4 provinces, one province like region and one semi independednt state called Kashmir and few federally administrative areas.
Sindh
Sindh is in the southeast of the country, and the historical home of the Sindhi people. Sindh has Pakistan's second largest economy, while its provincial capital Karachi is Pakistan's largest city and financial hub. More about Sindh
Punjab
Punjab is Pakistan's second largest province by area, and it is the most populated province, with rich culture & history. More about Punjab
Khyber Pakhtunkhwa
located in the northwestern region of the country along the international border with Afghanistan. More about KPK
Balouchistan
It is the largest province in terms of land area, forming the southwestern region of the country, but is the least populated. Its provincial capital and largest city is Quetta.
Gilgit Baltistan
Gilgit-Baltistan is admisitrative unit of Pakistan situated in the Northern Part of the country.It is one of the best tourist spots in Pakistan. Gilgit-Baltistan is home to five of the "eight-thousanders" and to more than fifty peaks above 7,000 metres (23,000 ft). Gilgit and Skardu are the two main hubs for expeditions to those mountains.
Azad Kashmir
Azad Kashmir is Administrative region of Pakistan situated in Northern part of the country. The northern part of Azad Jammu and Kashmir encompasses the lower part of the Himalayas, including Jamgarh Peak (15,531 feet [4,734 meters]).